The difference between a Demon Noble悪魔公(デーモンロード), Akuma Kō(D ē m o n R ō d o), lit. "Demon Official"」and a self-proclaimed Demon Lord (Maō, lit. "Demon King") is slight and is ranked higher than a self-proclaimed Demon Lord. So far, the only ones to evolve into Demon Nobles are named Arch Demons.

According to the existing records of Demonology from the Human Realms (Holy Empire Ruberius), a Demon Duke is a legendary existence. There has been no other Demon Duke summoning previously documented.

Demon Aristocracy (Class)

Within the Demon Noble species, there are a variety of classes that further subdivide their strengths. Their rankings are:

  1. Duke: EP: 400.000+
  2. Marquis: EP: 350.000+
  3. Earl / Count: EP: 300.000+
  4. Viscount: EP: 250.000+
  5. Baron: EP: 200.000+
  6. Knight / Chevalier: Surpass Devil, Not as strong as Arch Demon but could 1-hit-kill Greater Demon. The lowest of the Aristocracy.

Known Individuals

  • Moss (Duke Class)
  • Veyron (Marquis Class)
  • Venom (Earl/Count Class)
  • Agera (Viscount Class)
  • Esprit (Viscount Class)
  • Claude (Viscount Class)
  • Alrose (Baron Class)
  • Fran (Baron Class)
  • Oxirane (Baron Class)
  • Kizona (Baron Class)
  • Maetel (Baron Class)
  • Cien (Baron Class)
  • Zonda (Baron Class)
  • Testarossa (formerly, later evolved)
  • Carrera (formerly, later evolved)
  • Ultima (formerly, later evolved)
  • Diablo (formerly, later evolved)